A site use HP RP4100 host with dual host configured, every host configures 2 HBA cards, and host is connected to VIS through 2 FC switchers. After VIS LUN is mirrored to HP host group, when adding HP host HBA card, VIS cannot discover WWN of HP host and cannot add mirror relationship to host for VIS.
Execute commands on 2 machines of HP dual devices: ioscan -funC disk. Broadcast HBA information to ports of FC switchers.
HP host cannot broadcast HBA card information to ports of FC switchers.